Perle (pearl) Lest you get the wrong idea, German certainly does include some terms of endearment that actually have an attractive literal meaning, even though Perle (pearl) does still have a close link to the animal kingdom.
Calcium chloride can serve as a source of calcium ions in an aqueous solution, as calcium chloride is soluble in water.This property can be useful for displacing ions from solution.For example, phosphate is displaced from solution by calcium:alcium chloride can serve as a source of calcium ions in an aqueous solution, as calcium chloride is soluble in water.
Iodide is the ion state of iodine, occurring when iodine bonds with another element, such as potassium. In this form,iodine can be ingested or applied topically (such as with povidone iodine, an iodide). Dietary iodine also occurs naturally as an iodide, such as potassium iodide or sodium iodide (the kind typically placed into salt) So iodine and iodide are simply different expressions of the same element.